/Engine/Source/Runtime/Engine/Classes/GameFramework/EngineMessage.h
class UEngineMessage : public [ULocalMessage](API\Runtime\Engine\GameFramework\ULocalMessage)
FString
EnteredMessage
Message when a new player enters the game.
FString
FailedPlaceMessage
Message displayed in message dialog when player pawn fails to spawn because no playerstart was available.
FString
GlobalNameChange
Message when a player changes their name.
FString
LeftMessage
Message when a player leaves the game.
FString
MaxedOutMessage
Message when player join attempt is refused because the server is at capacity.
FString
NewPlayerMessage
Message when a new player enters the server (if player is unnamed).
FString
NewSpecMessage
Message when a new spectator enters the server (if spectator is unnamed).
FString
SpecEnteredMessage
Message when a new spectator enters the server (if spectator has a player name).